Frame grill plate for a motorcycle



FIG. 1 is a perspective view of a frame grill plate for a motorcycle showing our new design, with the broken lines showing environmental structure that forms no part of the claimed design.

FIG. 2 is a perspective view thereof.

FIG. 3 is a front upright view thereof; and,

FIG. 4 is a side perspective view thereof. 

The ornamental design for a frame grill plate for a motorcycle, as shown and described. 